86
91
    def __init__(self, proxy_object=None, properties=None, **kwargs):
 
87
 
        self.proxy = proxy_object # Mandos Client proxy object
 
 
92
        self.proxy = proxy_object  # Mandos Client proxy object
 
88
93
        self.properties = dict() if properties is None else properties
 
89
94
        self.property_changed_match = (
 
90
 
            self.proxy.connect_to_signal("PropertyChanged",
 
91
 
                                         self._property_changed,
 
 
95
            self.proxy.connect_to_signal("PropertiesChanged",
 
 
96
                                         self.properties_changed,
 
 
97
                                         dbus.PROPERTIES_IFACE,
 
95
100
        if properties is None:
 
96
 
            self.properties.update(
 
97
 
                self.proxy.GetAll(client_interface,
 
99
 
                                  = dbus.PROPERTIES_IFACE))
 
 
101
            self.properties.update(self.proxy.GetAll(
 
 
103
                dbus_interface=dbus.PROPERTIES_IFACE))
 
101
105
        super(MandosClientPropertyCache, self).__init__(**kwargs)
 
103
 
    def _property_changed(self, property, value):
 
104
 
        """Helper which takes positional arguments"""
 
105
 
        return self.property_changed(property=property, value=value)
 
107
 
    def property_changed(self, property=None, value=None):
 
108
 
        """This is called whenever we get a PropertyChanged signal
 
109
 
        It updates the changed property in the "properties" dict.
 
 
107
    def properties_changed(self, interface, properties, invalidated):
 
 
108
        """This is called whenever we get a PropertiesChanged signal
 
 
109
        It updates the changed properties in the "properties" dict.
 
111
111
        # Update properties dict with new value
 
112
 
        self.properties[property] = value
 
 
112
        if interface == client_interface:
 
 
113
            self.properties.update(properties)
 
114
115
    def delete(self):
 
115
116
        self.property_changed_match.remove()
 
 
162
163
                                         client_interface,
 
163
164
                                         byte_arrays=True))
 
164
 
        #self.logger('Created client {0}'
 
165
 
        #            .format(self.properties["Name"]))
 
 
165
        self.logger('Created client {}'
 
 
166
                    .format(self.properties["Name"]), level=0)
 
167
168
    def using_timer(self, flag):
 
168
169
        """Call this method with True or False when timer should be
 
169
170
        activated or deactivated.
 
171
172
        if flag and self._update_timer_callback_tag is None:
 
172
173
            # Will update the shown timer value every second
 
173
 
            self._update_timer_callback_tag = (gobject.timeout_add
 
 
174
            self._update_timer_callback_tag = (GLib.timeout_add
 
175
176
                                                self.update_timer))
 
176
177
        elif not (flag or self._update_timer_callback_tag is None):
 
177
 
            gobject.source_remove(self._update_timer_callback_tag)
 
 
178
            GLib.source_remove(self._update_timer_callback_tag)
 
178
179
            self._update_timer_callback_tag = None
 
180
181
    def checker_completed(self, exitstatus, condition, command):
 
181
182
        if exitstatus == 0:
 
 
183
            self.logger('Checker for client {} (command "{}")'
 
 
184
                        ' succeeded'.format(self.properties["Name"],
 
185
189
        if os.WIFEXITED(condition):
 
186
 
            self.logger('Checker for client {0} (command "{1}")'
 
187
 
                        ' failed with exit code {2}'
 
 
190
            self.logger('Checker for client {} (command "{}") failed'
 
188
192
                        .format(self.properties["Name"], command,
 
189
193
                                os.WEXITSTATUS(condition)))
 
190
194
        elif os.WIFSIGNALED(condition):
 
191
 
            self.logger('Checker for client {0} (command "{1}") was'
 
192
 
                        ' killed by signal {2}'
 
 
195
            self.logger('Checker for client {} (command "{}") was'
 
 
196
                        ' killed by signal {}'
 
193
197
                        .format(self.properties["Name"], command,
 
194
198
                                os.WTERMSIG(condition)))
 
195
 
        elif os.WCOREDUMP(condition):
 
196
 
            self.logger('Checker for client {0} (command "{1}")'
 
198
 
                        .format(self.properties["Name"], command))
 
200
 
            self.logger('Checker for client {0} completed'
 
202
 
                        .format(self.properties["Name"]))
 
205
201
    def checker_started(self, command):
 
206
 
        """Server signals that a checker started. This could be useful
 
207
 
           to log in the future. """
 
208
 
        #self.logger('Client {0} started checker "{1}"'
 
209
 
        #            .format(self.properties["Name"],
 
 
202
        """Server signals that a checker started."""
 
 
203
        self.logger('Client {} started checker "{}"'
 
 
204
                    .format(self.properties["Name"],
 
213
207
    def got_secret(self):
 
214
 
        self.logger('Client {0} received its secret'
 
 
208
        self.logger('Client {} received its secret'
 
215
209
                    .format(self.properties["Name"]))
 
217
211
    def need_approval(self, timeout, default):
 
219
 
            message = 'Client {0} needs approval within {1} seconds'
 
 
213
            message = 'Client {} needs approval within {} seconds'
 
221
 
            message = 'Client {0} will get its secret in {1} seconds'
 
 
215
            message = 'Client {} will get its secret in {} seconds'
 
222
216
        self.logger(message.format(self.properties["Name"],
 
225
219
    def rejected(self, reason):
 
226
 
        self.logger('Client {0} was rejected; reason: {1}'
 
 
220
        self.logger('Client {} was rejected; reason: {}'
 
227
221
                    .format(self.properties["Name"], reason))
 
229
223
    def selectable(self):
 
230
224
        """Make this a "selectable" widget.
 
231
225
        This overrides the method from urwid.FlowWidget."""
 
234
228
    def rows(self, maxcolrow, focus=False):
 
235
229
        """How many rows this widget will occupy might depend on
 
236
230
        whether we have focus or not.
 
237
231
        This overrides the method from urwid.FlowWidget"""
 
238
232
        return self.current_widget(focus).rows(maxcolrow, focus=focus)
 
240
234
    def current_widget(self, focus=False):
 
241
235
        if focus or self.opened:
 
242
236
            return self._focus_widget
 
243
237
        return self._widget
 
245
239
    def update(self):
 
246
240
        "Called when what is visible on the screen should be updated."
 
247
241
        # How to add standout mode to a style
 
248
 
        with_standout = { "normal": "standout",
 
249
 
                          "bold": "bold-standout",
 
251
 
                              "underline-blink-standout",
 
252
 
                          "bold-underline-blink":
 
253
 
                              "bold-underline-blink-standout",
 
 
242
        with_standout = {"normal": "standout",
 
 
243
                         "bold": "bold-standout",
 
 
245
                         "underline-blink-standout",
 
 
246
                         "bold-underline-blink":
 
 
247
                         "bold-underline-blink-standout",
 
256
250
        # Rebuild focus and non-focus widgets using current properties
 
258
252
        # Base part of a client. Name!
 
259
253
        base = '{name}: '.format(name=self.properties["Name"])
 
260
254
        if not self.properties["Enabled"]:
 
261
255
            message = "DISABLED"
 
262
256
            self.using_timer(False)
 
263
257
        elif self.properties["ApprovalPending"]:
 
264
 
            timeout = datetime.timedelta(milliseconds
 
 
258
            timeout = datetime.timedelta(
 
 
259
                milliseconds=self.properties["ApprovalDelay"])
 
267
260
            last_approval_request = isoformat_to_datetime(
 
268
261
                self.properties["LastApprovalRequest"])
 
269
262
            if last_approval_request is not None:
 
 
329
323
        if self.delete_hook is not None:
 
330
324
            self.delete_hook(self)
 
331
325
        return super(MandosClientWidget, self).delete(**kwargs)
 
333
327
    def render(self, maxcolrow, focus=False):
 
334
328
        """Render differently if we have focus.
 
335
329
        This overrides the method from urwid.FlowWidget"""
 
336
330
        return self.current_widget(focus).render(maxcolrow,
 
339
333
    def keypress(self, maxcolrow, key):
 
341
335
        This overrides the method from urwid.FlowWidget"""
 
343
 
            self.proxy.Enable(dbus_interface = client_interface,
 
 
337
            self.proxy.Set(client_interface, "Enabled",
 
 
338
                           dbus.Boolean(True), ignore_reply=True,
 
 
339
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
346
 
            self.proxy.Disable(dbus_interface = client_interface,
 
 
341
            self.proxy.Set(client_interface, "Enabled", False,
 
 
343
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
349
345
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
350
 
                               dbus_interface = client_interface,
 
 
346
                               dbus_interface=client_interface,
 
351
347
                               ignore_reply=True)
 
353
349
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
354
 
                                  dbus_interface = client_interface,
 
 
350
                               dbus_interface=client_interface,
 
355
351
                               ignore_reply=True)
 
356
352
        elif key == "R" or key == "_" or key == "ctrl k":
 
357
353
            self.server_proxy_object.RemoveClient(self.proxy
 
359
355
                                                  ignore_reply=True)
 
361
 
            self.proxy.StartChecker(dbus_interface = client_interface,
 
 
357
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
358
                           dbus.Boolean(True), ignore_reply=True,
 
 
359
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
364
 
            self.proxy.StopChecker(dbus_interface = client_interface,
 
 
361
            self.proxy.Set(client_interface, "CheckerRunning",
 
 
362
                           dbus.Boolean(False), ignore_reply=True,
 
 
363
                           dbus_interface=dbus.PROPERTIES_IFACE)
 
367
 
            self.proxy.CheckedOK(dbus_interface = client_interface,
 
 
365
            self.proxy.CheckedOK(dbus_interface=client_interface,
 
368
366
                                 ignore_reply=True)
 
370
368
#         elif key == "p" or key == "=":
 
 
379
 
    def property_changed(self, property=None, **kwargs):
 
380
 
        """Call self.update() if old value is not new value.
 
 
377
    def properties_changed(self, interface, properties, invalidated):
 
 
378
        """Call self.update() if any properties changed.
 
381
379
        This overrides the method from MandosClientPropertyCache"""
 
382
 
        property_name = str(property)
 
383
 
        old_value = self.properties.get(property_name)
 
384
 
        super(MandosClientWidget, self).property_changed(
 
385
 
            property=property, **kwargs)
 
386
 
        if self.properties.get(property_name) != old_value:
 
 
380
        old_values = {key: self.properties.get(key)
 
 
381
                      for key in properties.keys()}
 
 
382
        super(MandosClientWidget, self).properties_changed(
 
 
383
            interface, properties, invalidated)
 
 
384
        if any(old_values[key] != self.properties.get(key)
 
 
385
               for key in old_values):
 
 
428
429
                 "bold,underline,blink,standout", "default",
 
429
430
                 "bold,underline,blink,standout"),
 
432
433
        if urwid.supports_unicode():
 
433
 
            self.divider = "─" # \u2500
 
434
 
            #self.divider = "━" # \u2501
 
 
434
            self.divider = "─"  # \u2500
 
436
 
            #self.divider = "-" # \u002d
 
437
 
            self.divider = "_" # \u005f
 
 
436
            self.divider = "_"  # \u005f
 
439
438
        self.screen.start()
 
441
440
        self.size = self.screen.get_cols_rows()
 
443
442
        self.clients = urwid.SimpleListWalker([])
 
444
443
        self.clients_dict = {}
 
446
445
        # We will add Text widgets to this list
 
448
447
        self.max_log_length = max_log_length
 
 
449
        self.log_level = log_level
 
450
451
        # We keep a reference to the log widget so we can remove it
 
451
452
        # from the ListWalker without it getting destroyed
 
452
453
        self.logbox = ConstrainedListBox(self.log)
 
454
455
        # This keeps track of whether self.uilist currently has
 
455
456
        # self.logbox in it or not
 
456
457
        self.log_visible = True
 
457
458
        self.log_wrap = "any"
 
460
461
        self.log_message_raw(("bold",
 
461
462
                              "Mandos Monitor version " + version))
 
462
463
        self.log_message_raw(("bold",
 
463
464
                              "q: Quit  ?: Help"))
 
465
466
        self.busname = domain + '.Mandos'
 
466
 
        self.main_loop = gobject.MainLoop()
 
 
467
        self.main_loop = GLib.MainLoop()
 
468
469
    def client_not_found(self, fingerprint, address):
 
469
 
        self.log_message("Client with address {0} and fingerprint"
 
470
 
                         " {1} could not be found"
 
 
470
        self.log_message("Client with address {} and fingerprint {}"
 
 
471
                         " could not be found"
 
471
472
                         .format(address, fingerprint))
 
473
474
    def rebuild(self):
 
474
475
        """This rebuilds the User Interface.
 
475
476
        Call this when the widget layout needs to change"""
 
477
 
        #self.uilist.append(urwid.ListBox(self.clients))
 
 
478
        # self.uilist.append(urwid.ListBox(self.clients))
 
478
479
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
 
480
 
                                       #header=urwid.Divider(),
 
 
481
                                       # header=urwid.Divider(),
 
483
 
                                       urwid.Divider(div_char=
 
 
483
                                       footer=urwid.Divider(
 
 
484
                                           div_char=self.divider)))
 
485
485
        if self.log_visible:
 
486
486
            self.uilist.append(self.logbox)
 
487
487
        self.topwidget = urwid.Pile(self.uilist)
 
489
 
    def log_message(self, message):
 
 
489
    def log_message(self, message, level=1):
 
490
490
        """Log message formatted with timestamp"""
 
 
491
        if level < self.log_level:
 
491
493
        timestamp = datetime.datetime.now().isoformat()
 
492
 
        self.log_message_raw(timestamp + ": " + message)
 
494
 
    def log_message_raw(self, markup):
 
 
494
        self.log_message_raw("{}: {}".format(timestamp, message),
 
 
497
    def log_message_raw(self, markup, level=1):
 
495
498
        """Add a log message to the log buffer."""
 
 
499
        if level < self.log_level:
 
496
501
        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
 
497
 
        if (self.max_log_length
 
498
 
            and len(self.log) > self.max_log_length):
 
499
 
            del self.log[0:len(self.log)-self.max_log_length-1]
 
 
502
        if self.max_log_length:
 
 
503
            if len(self.log) > self.max_log_length:
 
 
504
                del self.log[0:len(self.log)-self.max_log_length-1]
 
500
505
        self.logbox.set_focus(len(self.logbox.body.contents),
 
501
506
                              coming_from="above")
 
504
509
    def toggle_log_display(self):
 
505
510
        """Toggle visibility of the log buffer."""
 
506
511
        self.log_visible = not self.log_visible
 
508
 
        #self.log_message("Log visibility changed to: "
 
509
 
        #                 + str(self.log_visible))
 
 
513
        self.log_message("Log visibility changed to: {}"
 
 
514
                         .format(self.log_visible), level=0)
 
511
516
    def change_log_display(self):
 
512
517
        """Change type of log display.
 
513
518
        Currently, this toggles wrapping of text lines."""
 
 
517
522
            self.log_wrap = "clip"
 
518
523
        for textwidget in self.log:
 
519
524
            textwidget.set_wrap_mode(self.log_wrap)
 
520
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
522
 
    def find_and_remove_client(self, path, name):
 
 
525
        self.log_message("Wrap mode: {}".format(self.log_wrap),
 
 
528
    def find_and_remove_client(self, path, interfaces):
 
523
529
        """Find a client by its object path and remove it.
 
525
 
        This is connected to the ClientRemoved signal from the
 
 
531
        This is connected to the InterfacesRemoved signal from the
 
526
532
        Mandos server object."""
 
 
533
        if client_interface not in interfaces:
 
 
534
            # Not a Mandos client object; ignore
 
528
537
            client = self.clients_dict[path]
 
531
 
            self.log_message("Unknown client {0!r} ({1!r}) removed"
 
 
540
            self.log_message("Unknown client {!r} removed"
 
536
 
    def add_new_client(self, path):
 
 
545
    def add_new_client(self, path, ifs_and_props):
 
 
546
        """Find a client by its object path and remove it.
 
 
548
        This is connected to the InterfacesAdded signal from the
 
 
549
        Mandos server object.
 
 
551
        if client_interface not in ifs_and_props:
 
 
552
            # Not a Mandos client object; ignore
 
537
554
        client_proxy_object = self.bus.get_object(self.busname, path)
 
538
 
        self.add_client(MandosClientWidget(server_proxy_object
 
541
 
                                           =client_proxy_object,
 
 
555
        self.add_client(MandosClientWidget(
 
 
556
            server_proxy_object=self.mandos_serv,
 
 
557
            proxy_object=client_proxy_object,
 
 
558
            update_hook=self.refresh,
 
 
559
            delete_hook=self.remove_client,
 
 
560
            logger=self.log_message,
 
 
561
            properties=dict(ifs_and_props[client_interface])),
 
550
564
    def add_client(self, client, path=None):
 
551
565
        self.clients.append(client)
 
 
554
568
        self.clients_dict[path] = client
 
555
569
        self.clients.sort(key=lambda c: c.properties["Name"])
 
558
572
    def remove_client(self, client, path=None):
 
559
573
        self.clients.remove(client)
 
561
575
            path = client.proxy.object_path
 
562
576
        del self.clients_dict[path]
 
565
579
    def refresh(self):
 
566
580
        """Redraw the screen"""
 
567
581
        canvas = self.topwidget.render(self.size, focus=True)
 
568
582
        self.screen.draw_screen(self.size, canvas)
 
571
585
        """Start the main loop and exit when it's done."""
 
572
586
        self.bus = dbus.SystemBus()
 
573
587
        mandos_dbus_objc = self.bus.get_object(
 
574
588
            self.busname, "/", follow_name_owner_changes=True)
 
575
 
        self.mandos_serv = dbus.Interface(mandos_dbus_objc,
 
 
589
        self.mandos_serv = dbus.Interface(
 
 
590
            mandos_dbus_objc, dbus_interface=server_interface)
 
579
592
            mandos_clients = (self.mandos_serv
 
580
593
                              .GetAllClientsWithProperties())
 
581
594
            if not mandos_clients:
 
582
 
                self.log_message_raw(("bold", "Note: Server has no clients."))
 
 
595
                self.log_message_raw(("bold",
 
 
596
                                      "Note: Server has no clients."))
 
583
597
        except dbus.exceptions.DBusException:
 
584
 
            self.log_message_raw(("bold", "Note: No Mandos server running."))
 
 
598
            self.log_message_raw(("bold",
 
 
599
                                  "Note: No Mandos server running."))
 
585
600
            mandos_clients = dbus.Dictionary()
 
587
602
        (self.mandos_serv
 
588
 
         .connect_to_signal("ClientRemoved",
 
 
603
         .connect_to_signal("InterfacesRemoved",
 
589
604
                            self.find_and_remove_client,
 
590
 
                            dbus_interface=server_interface,
 
 
605
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
591
606
                            byte_arrays=True))
 
592
607
        (self.mandos_serv
 
593
 
         .connect_to_signal("ClientAdded",
 
 
608
         .connect_to_signal("InterfacesAdded",
 
594
609
                            self.add_new_client,
 
595
 
                            dbus_interface=server_interface,
 
 
610
                            dbus_interface=dbus.OBJECT_MANAGER_IFACE,
 
596
611
                            byte_arrays=True))
 
597
612
        (self.mandos_serv
 
598
613
         .connect_to_signal("ClientNotFound",
 
 
602
617
        for path, client in mandos_clients.items():
 
603
618
            client_proxy_object = self.bus.get_object(self.busname,
 
605
 
            self.add_client(MandosClientWidget(server_proxy_object
 
608
 
                                               =client_proxy_object,
 
 
620
            self.add_client(MandosClientWidget(
 
 
621
                server_proxy_object=self.mandos_serv,
 
 
622
                proxy_object=client_proxy_object,
 
 
624
                update_hook=self.refresh,
 
 
625
                delete_hook=self.remove_client,
 
 
626
                logger=self.log_message),
 
619
 
        self._input_callback_tag = (gobject.io_add_watch
 
 
630
        self._input_callback_tag = (GLib.io_add_watch
 
620
631
                                    (sys.stdin.fileno(),
 
622
633
                                     self.process_input))
 
623
634
        self.main_loop.run()
 
624
635
        # Main loop has finished, we should close everything now
 
625
 
        gobject.source_remove(self._input_callback_tag)
 
 
636
        GLib.source_remove(self._input_callback_tag)
 
626
637
        self.screen.stop()
 
629
640
        self.main_loop.quit()
 
631
642
    def process_input(self, source, condition):
 
632
643
        keys = self.screen.get_input()
 
633
 
        translations = { "ctrl n": "down",      # Emacs
 
634
 
                         "ctrl p": "up",        # Emacs
 
635
 
                         "ctrl v": "page down", # Emacs
 
636
 
                         "meta v": "page up",   # Emacs
 
637
 
                         " ": "page down",      # less
 
638
 
                         "f": "page down",      # less
 
639
 
                         "b": "page up",        # less
 
 
644
        translations = {"ctrl n": "down",       # Emacs
 
 
645
                        "ctrl p": "up",         # Emacs
 
 
646
                        "ctrl v": "page down",  # Emacs
 
 
647
                        "meta v": "page up",    # Emacs
 
 
648
                        " ": "page down",       # less
 
 
649
                        "f": "page down",       # less
 
 
650
                        "b": "page up",         # less
 
645
656
                key = translations[key]
 
646
657
            except KeyError:    # :-)
 
649
660
            if key == "q" or key == "Q":
 
652
663
            elif key == "window resize":
 
653
664
                self.size = self.screen.get_cols_rows()
 
655
 
            elif key == "\f":  # Ctrl-L
 
 
666
            elif key == "ctrl l":
 
657
669
            elif key == "l" or key == "D":
 
658
670
                self.toggle_log_display()
 
 
690
704
                    self.topwidget.set_focus(self.logbox)
 
692
 
            #elif (key == "end" or key == "meta >" or key == "G"
 
694
 
            #    pass            # xxx end-of-buffer
 
695
 
            #elif (key == "home" or key == "meta <" or key == "g"
 
697
 
            #    pass            # xxx beginning-of-buffer
 
698
 
            #elif key == "ctrl e" or key == "$":
 
699
 
            #    pass            # xxx move-end-of-line
 
700
 
            #elif key == "ctrl a" or key == "^":
 
701
 
            #    pass            # xxx move-beginning-of-line
 
702
 
            #elif key == "ctrl b" or key == "meta (" or key == "h":
 
704
 
            #elif key == "ctrl f" or key == "meta )" or key == "l":
 
707
 
            #    pass            # scroll up log
 
709
 
            #    pass            # scroll down log
 
 
707
                if self.log_level == 0:
 
 
709
                    self.log_message("Verbose mode: Off")
 
 
712
                    self.log_message("Verbose mode: On")
 
 
713
            # elif (key == "end" or key == "meta >" or key == "G"
 
 
715
            #     pass            # xxx end-of-buffer
 
 
716
            # elif (key == "home" or key == "meta <" or key == "g"
 
 
718
            #     pass            # xxx beginning-of-buffer
 
 
719
            # elif key == "ctrl e" or key == "$":
 
 
720
            #     pass            # xxx move-end-of-line
 
 
721
            # elif key == "ctrl a" or key == "^":
 
 
722
            #     pass            # xxx move-beginning-of-line
 
 
723
            # elif key == "ctrl b" or key == "meta (" or key == "h":
 
 
725
            # elif key == "ctrl f" or key == "meta )" or key == "l":
 
 
728
            #     pass            # scroll up log
 
 
730
            #     pass            # scroll down log
 
710
731
            elif self.topwidget.selectable():
 
711
732
                self.topwidget.keypress(self.size, key)
 
715
737
ui = UserInterface()